Handset telephone



FIG. 1 is a left side, top and front perspective view of a handset telephone showing my new design;

FIG. 2 is a front and right side perspective view thereof;

FIG. 3 is a bottom plan view thereof; and

FIGS. 4 and 5 are respectively front and rear elevational views thereof.

The broken line showing of an electric cord in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a handset telephone, as shown and described. 